@charset "UTF-8";
.left {
  width: 250px;
}

.left .top {
  width: 100%;
  height: 600px;
}

.left .top ul span {
  width: 10px;
  height: 20px;
  line-height: 20px;
  margin-top: 15px;
  border-radius: 20px;
  float: right;
  margin-right: 20px;
}

.left .top ul span:hover {
  background-color: #c0baba;
}

.left .top ul b {
  border-radius: 20px;
  background-color: #c0baba;
}

.left .top ul li {
  width: 100%;
  height: 50px;
  line-height: 50px;
  text-align: center;
  border-radius: 20px;
  /* 去除链接的下划线 */
}

.left .top ul li .nav-link {
  text-decoration: none;
  color: #000;
}

.left .top ul li:hover {
  background-color: #e4e1e1;
}

.left .xl {
  width: 200px;
  height: 300px;
  position: relative;
  left: 150px;
  top: 0;
  padding-bottom: 40px;
  background-color: #fff;
}
